Detailed installation steps
1.Please turn off the power supply of the main switch controlling the heater.
2.Unscrew the 4 screws on the control keyboard.
3.Remove the control keyboard (be careful not to pull) and disconnect the long ribbon cable from the display panel.
4.Remove the two screws that control the short ribbon cable on the keyboard.
5.Install the new IDXL2DB1930 display board.
6.The long ribbon cable is connected to the IDXL2ICB1931 integrated circuit board, 4 pin communication cable is connected to the keyboard, install the keyboard, tighten the four screws, the installation is complete.